.go_back{
    width: 40px;
    height: 40px;
    background-color: rgba(0, 0, 0, 0.5);
    border-radius: 50%;
    position: fixed;
    left: 10px;
    top: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 999;
}